Tag Archives: Key sizeKey size

Certificate Key Lengths: Bigger is Better

September 7, 2012 by Scott Shetler     No Comments

As previously discussed,  Microsoft issued a security advisory announcing they will block keys that are less than 1024 bits long. This feature will appear in an update for supported versions of Microsoft Windows (not affecting Windows 8 or Windows Server 2012; the functionality is already there) and, of course, you have to upgrade to this [Read More...]

Microsoft to ban keys less than 1024-bits

June 15, 2012 by Bruce Morton     No Comments

For those of you who do not maintain the size of your keys for digital certificates, you’re about to have some problems. Microsoft is not a proponent of small-sized digital keys. Their Windows Root Certificate Program does not allow CAs to issue certificates with keys less than 1024-bits RSA and deprecates keys that are less [Read More...]